Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4544607 | Engine parts | Isao Oda | 1985-10-01 |
| 4495116 | Polycrystalline translucent alumina sintered body, a method for producing the same and a high pressure vapor discharge lamp obtained by using said sintered body | Takehiro Kajihara | 1985-01-22 |
| 4373030 | Polycrystalline translucent alumina sintered body, a method for producing the same and a high pressure vapor discharge lamp obtained by using said sintered body | Takehiro Kajihara | 1983-02-08 |
| 4326038 | Sealing composition and sealing method | Isao Oda | 1982-04-20 |
| 4273587 | Polycrystalline transparent spinel sintered body and a method for producing the same | Isao Oda, Issei Hayakawa | 1981-06-16 |
| 4264541 | High pressure metal vapor lamp and a transparent polycrystalline alumina tube therefor | Isao Oda | 1981-04-28 |
| 4218257 | Sintered silicon nitride body and a method of producing the same | Isao Oda | 1980-08-19 |
| 4214666 | Tubular discharge envelope composed of a polycrystalline transparent alumina and a high-pressure vapor discharge lamp using the same | Isao Oda, Noboru Yamamoto | 1980-07-29 |
| 4182972 | Transparent polycrystalline alumina and high pressure vapor discharge lamp | Isao Oda, Noboru Yamamoto | 1980-01-08 |